1. Department of Biological Sciences, State University of New York, Binghamton, New York 13902-6000.
2. Cryomedical Sciences, Inc., 1300 Piccard Drive, Suite 102, Rockville, Maryland 20850.
3. Department of Neurosurgery Research, Medical College of Pennsylvania, 9th Floor, South Tower, Allegheny-Singer Research Institute, 320 E. North Ave., Pittsburgh, Pennsylvania 15212.